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When an object falls down through a fluid (e.g. water, oil, air..) there are usually two forces acting on it. They are the weight force acting downwards and the drag force acting upwards. The weight force...

By the year 1589, Elizabeth was old and increasingly decrepid. She was disillusioned wth those around her and the death of many of her great councillors limited her ability to rule successfully. Furthermo...

A question that begins 'To what extent...' is often one of the better questions to answer in an exam paper, as it allows for the expression of your own opinion on the topic. A question such as 'What were ...

the answer is 1011. 

Depolarisation of the membrane in a myelinated neurone occurs in gaps between the schwann cells of the myelin sheath known as nodes of Ranvier. During depolarisation of the membrane at a node there is an ...